{"product_id":"international-591219c1-mainshaft-nut","title":"International Nut Mainshaft - 591219C1","description":"\u003cp\u003eThe Genuine International 591219C1 Mainshaft Nut is an OEM drivetrain fastening component engineered for securing transmission mainshaft assemblies in select International and Navistar commercial vehicles. Manufactured to strict OEM specifications, this heavy-duty lock nut provides reliable retention, proper shaft preload, and long-term durability under high-torque operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProduct Name: Mainshaft Nut\u003cbr\u003eOEM Part Number: 591219C1\u003cbr\u003eManufacturer: International \/ Navistar\u003cbr\u003eProduct Category: Transmission Components\u003cbr\u003eSubcategory: Transmission Fasteners \u0026amp; Hardware\u003cbr\u003eCondition: New OEM\u003cbr\u003eInstallation Type: Direct Replacement\u003cbr\u003eFastener Type: Mainshaft Retaining Nut\u003c\/p\u003e","brand":"FleetPro Parts","offers":[{"title":"Default Title","offer_id":42885417435230,"sku":"591219C1","price":18.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/2070\/1790\/files\/international-591219c1-mainshaft-nut.jpg?v=1781288223","url":"https:\/\/fleetpro-parts.com\/products\/international-591219c1-mainshaft-nut","provider":"FleetPro Parts","version":"1.0","type":"link"}